mirror of
https://github.com/SleepingInsomniac/pixelfaucet
synced 2025-01-06 05:24:17 +01:00
44 lines
830 B
Crystal
44 lines
830 B
Crystal
require "../src/game"
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class Snow < PF::Game
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@pixels : Slice(UInt32)
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@last_shift : Float64 = 0.0
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def initialize(*args, **kwargs)
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super
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@pixels = @screen.pixels
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clear(0, 0, 0x25)
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end
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def update(dt, event)
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@last_shift += dt
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end
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def draw
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if @last_shift >= 0.02
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@last_shift = 0.0
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@pixels.rotate!(-@width)
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0.upto(@width - 1) do |x|
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if rand(0..250) == 0
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shade = rand(25_u8..255_u8)
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@pixels[x] = PF::Pixel.new(shade, shade, shade).to_u32
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else
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@pixels[x] = 0x000025FF
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end
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end
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end
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0.upto(@height - 1) do |y|
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if rand(0..2) == 0
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row = Slice(UInt32).new(@pixels.to_unsafe + (y * @width), @width)
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row.rotate!(rand(-1..1))
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end
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end
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end
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end
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engine = Snow.new(600, 400, 2)
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engine.run!
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